CVE-2023-39194 Kernel: xfrm: out-of-bounds read in __xfrm_state_filter_match()
A local privileged attacker can trigger an out-of-bounds read in the Linux kernel XFRM subsystem, potentially leading to information disclosure.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-39194?
CVE-2023-39194 is a low-severity vulnerability in Fedoraproject Fedora, published on 9 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in the XFRM subsystem in the Linux kernel. The specific flaw exists within the processing of state filters, which can result in a read past the end of an allocated buffer. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, potentially leading to an information disclosure.
Weakness: CWE-125
Which versions are affected by CVE-2023-39194?
It affects 3 products.
Products include Fedoraproject Fedora, Linux kernel, Redhat Enterprise Linux.
How do I fix CVE-2023-39194?
Apply the vendor's patch.
Is CVE-2023-39194 being exploited?
There is no known exploitation of CVE-2023-39194 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as AZL-31268, DEBIAN-CVE-2023-39194, GHSA-3qhf-qr39-9c9w, UBUNTU-CVE-2023-39194.